15
5
Cable Connection
Control Board Port Description
5.1
Control board ports
Figure 5-1
Table 5-1
Port description
No.
Port
Description
1
GND, VIN
24 V DC/6.5 A power input for control board.
2
LD+, LD–
Providing operating voltage for card reader or face recognition module.
3
RD+ RD–
4
COM1/NO1
Entry signal.
Both relay outputs can be set to the alarm output signal.
COM2/NO2
Exit signal.
5
TX1, GND, RX1
RS-232.
485A, 485B
RS-485.
6
SPK+, SPK–
Speaker.
7
DIP switch
It is 00000000 by default (eight 0s).
